Alerts
Rule results for failed logons, lockouts, privileged and policy changes, brute force, spraying and probing.
Account lifecycle change
Account enabled: orin.quill by neri.vale on DC-EX-02 at 2026-07-30 09:59:00 UTC.
Account orin.quill · Source 10.24.2.43
Account lifecycle change
Account created: orin.quill by neri.vale on DC-EX-01 at 2026-07-30 09:46:00 UTC.
Account orin.quill · Source 10.24.3.30
Privileged account logon
1 successful logon (4624) on 2026-07-29 by orin.quill, member of Administrators, Domain Admins.
Account orin.quill
Directory object changed
Directory object modified by tavi.vale on DC-EX-01 at 2026-07-29 10:06:00 UTC.
Source 10.24.4.164
Account lifecycle change
Account changed: lio.briar by elin.briar on DC-EX-02 at 2026-07-28 17:40:00 UTC.
Account lio.briar · Source 10.24.2.196
Account lifecycle change
Account enabled: neri.briar by neri.vale on DC-EX-01 at 2026-07-28 09:59:00 UTC.
Account neri.briar · Source 10.24.2.84
Account lifecycle change
Account created: neri.briar by neri.vale on DC-EX-02 at 2026-07-28 09:20:00 UTC.
Account neri.briar · Source 10.24.4.19
Password changed
elin.moss changed their password on DC-EX-02 at 2026-07-28 08:44:00 UTC.
Account elin.moss · Source 10.24.3.205
Account lifecycle change
Account enabled: elin.wren by neri.vale on DC-EX-02 at 2026-07-27 09:59:00 UTC.
Account elin.wren · Source 10.24.4.206
Directory object changed
Directory object created by tavi.vale on DC-EX-02 at 2026-07-27 09:34:00 UTC.
Source 10.24.4.80
Account lifecycle change
Account created: elin.wren by neri.vale on DC-EX-01 at 2026-07-27 09:01:00 UTC.
Account elin.wren · Source 10.24.4.184
Rule coverage
Rules evaluated by the scheduled cli/evaluate-alerts.php job over the collected events · pattern thresholds: brute force 10, spraying 10, probing 5 per 10 minutes
| Rule | Severity | Trigger | Alerts raised |
|---|---|---|---|
| Brute force | Critical | At least 10 failed logons (4625) for one account within 10 minutes | 2 |
| Password spraying | Critical | One source fails logons for at least 10 distinct existing accounts within 10 minutes | 1 |
| Account probing | Critical | One source tries at least 5 non-existent accounts (status 0xC0000064) within 10 minutes | 1 |
| Security log cleared | Critical | Any 1102 event | 1 |
| Audit policy changed | Critical | Any 4719 event | 1 |
| Member added to privileged group | Critical | 4728 / 4732 / 4756 for a privileged group | 2 |
| Member removed from privileged group | Warning | 4729 / 4733 / 4757 for a privileged group | 1 |
| Account locked out | Warning | Any 4740 event | 24 |
| Password reset by another account | Warning | Any 4724 event | 17 |
| Group Policy changed | Warning | 5136 / 5137 on a Group Policy object | 1 |
| Directory object changed | Info | 5136 / 5137 on other directory objects | 9 |
| Account lifecycle change | Info | 4720 / 4722 / 4725 / 4726 / 4738 | 44 |
| Password changed | Info | Any 4723 event | 27 |
| Privileged account logon | Info | 4624 by a member of a privileged group (one alert per account per day) | 20 |